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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/edk/embedder/embedder.h" | |
| 6 | |
| 7 #include <string.h> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/location.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/synchronization/waitable_event.h" | |
| 15 #include "base/test/test_io_thread.h" | |
| 16 #include "base/test/test_timeouts.h" | |
| 17 #include "mojo/edk/embedder/platform_channel_pair.h" | |
| 18 #include "mojo/edk/embedder/test_embedder.h" | |
| 19 #include "mojo/edk/system/test_utils.h" | |
| 20 #include "mojo/edk/test/multiprocess_test_helper.h" | |
| 21 #include "mojo/public/c/system/core.h" | |
| 22 #include "testing/gtest/include/gtest/gtest.h" | |
| 23 | |
| 24 namespace mojo { | |
| 25 namespace embedder { | |
| 26 namespace { | |
| 27 | |
| 28 const MojoHandleSignals kSignalReadadableWritable = | |
| 29 MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE; | |
| 30 | |
| 31 const MojoHandleSignals kSignalAll = MOJO_HANDLE_SIGNAL_READABLE | | |
| 32 MOJO_HANDLE_SIGNAL_WRITABLE | | |
| 33 MOJO_HANDLE_SIGNAL_PEER_CLOSED; | |
| 34 | |
| 35 class ScopedTestChannel { | |
| 36 public: | |
| 37 // Creates a channel that lives on a given I/O thread (determined by the given | |
| 38 // |TaskRunner|) attached to the given |platform_handle|. After construction, | |
| 39 // |bootstrap_message_pipe()| gives the Mojo handle for the bootstrap message | |
| 40 // pipe on this channel; it is up to the caller to close this handle. | |
| 41 // Note: The I/O thread must outlive this object (and its message loop must | |
| 42 // continue pumping messages while this object is alive). | |
| 43 ScopedTestChannel(scoped_refptr<base::TaskRunner> io_thread_task_runner, | |
| 44 ScopedPlatformHandle platform_handle) | |
| 45 : io_thread_task_runner_(io_thread_task_runner), | |
| 46 bootstrap_message_pipe_(MOJO_HANDLE_INVALID), | |
| 47 did_create_channel_event_(true, false), | |
| 48 channel_info_(nullptr) { | |
| 49 bootstrap_message_pipe_ = | |
| 50 CreateChannel(platform_handle.Pass(), io_thread_task_runner_, | |
| 51 base::Bind(&ScopedTestChannel::DidCreateChannel, | |
| 52 base::Unretained(this)), | |
| 53 nullptr) | |
| 54 .release() | |
| 55 .value(); | |
| 56 CHECK_NE(bootstrap_message_pipe_, MOJO_HANDLE_INVALID); | |
| 57 } | |
| 58 | |
| 59 // Destructor: Shuts down the channel. (As noted above, for this to happen, | |
| 60 // the I/O thread must be alive and pumping messages.) | |
| 61 ~ScopedTestChannel() { DestroyChannel(channel_info_); } | |
| 62 | |
| 63 // Waits for channel creation to be completed. | |
| 64 void WaitForChannelCreationCompletion() { did_create_channel_event_.Wait(); } | |
| 65 | |
| 66 MojoHandle bootstrap_message_pipe() const { return bootstrap_message_pipe_; } | |
| 67 | |
| 68 // Call only after |WaitForChannelCreationCompletion()|. Use only to check | |
| 69 // that it's not null. | |
| 70 const ChannelInfo* channel_info() const { return channel_info_; } | |
| 71 | |
| 72 private: | |
| 73 void DidCreateChannel(ChannelInfo* channel_info) { | |
| 74 CHECK(channel_info); | |
| 75 CHECK(!channel_info_); | |
| 76 channel_info_ = channel_info; | |
| 77 did_create_channel_event_.Signal(); | |
| 78 } | |
| 79 | |
| 80 scoped_refptr<base::TaskRunner> io_thread_task_runner_; | |
| 81 | |
| 82 // Valid from creation until whenever it gets closed (by the "owner" of this | |
| 83 // object). | |
| 84 // Note: We don't want use the C++ wrappers here, since we want to test the | |
| 85 // API at the lowest level. | |
| 86 MojoHandle bootstrap_message_pipe_; | |
| 87 | |
| 88 // Set after channel creation has been completed (i.e., the callback to | |
| 89 // |CreateChannel()| has been called). | |
| 90 base::WaitableEvent did_create_channel_event_; | |
| 91 | |
| 92 // Valid after channel creation completion until destruction. | |
| 93 ChannelInfo* channel_info_; | |
| 94 | |
| 95 DISALLOW_COPY_AND_ASSIGN(ScopedTestChannel); | |
| 96 }; | |
| 97 | |
| 98 class EmbedderTest : public testing::Test { | |
| 99 public: | |
| 100 EmbedderTest() : test_io_thread_(base::TestIOThread::kAutoStart) {} | |
| 101 ~EmbedderTest() override {} | |
| 102 | |
| 103 protected: | |
| 104 base::TestIOThread* test_io_thread() { return &test_io_thread_; } | |
| 105 | |
| 106 private: | |
| 107 base::TestIOThread test_io_thread_; | |
| 108 | |
| 109 DISALLOW_COPY_AND_ASSIGN(EmbedderTest); | |
| 110 }; | |
| 111 | |
| 112 TEST_F(EmbedderTest, ChannelsBasic) { | |
| 113 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 114 | |
| 115 { | |
| 116 PlatformChannelPair channel_pair; | |
| 117 ScopedTestChannel server_channel(test_io_thread()->task_runner(), | |
| 118 channel_pair.PassServerHandle()); | |
| 119 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 120 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 121 ScopedTestChannel client_channel(test_io_thread()->task_runner(), | |
| 122 channel_pair.PassClientHandle()); | |
| 123 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 124 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 125 | |
| 126 // We can write to a message pipe handle immediately. | |
| 127 const char kHello[] = "hello"; | |
| 128 EXPECT_EQ(MOJO_RESULT_OK, | |
| 129 MojoWriteMessage(server_mp, kHello, | |
| 130 static_cast<uint32_t>(sizeof(kHello)), nullptr, | |
| 131 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 132 | |
| 133 // Now wait for the other side to become readable. | |
| 134 MojoHandleSignalsState state; | |
| 135 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE, | |
| 136 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 137 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 138 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 139 | |
| 140 char buffer[1000] = {}; | |
| 141 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 142 EXPECT_EQ(MOJO_RESULT_OK, | |
| 143 MojoReadMessage(client_mp, buffer, &num_bytes, nullptr, nullptr, | |
| 144 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 145 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 146 EXPECT_STREQ(kHello, buffer); | |
| 147 | |
| 148 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 149 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 150 | |
| 151 // By this point, these waits should basically be no-ops (since we've waited | |
| 152 // for the client message pipe to become readable, which implies that both | |
| 153 // the server and client channels were completely created). | |
| 154 server_channel.WaitForChannelCreationCompletion(); | |
| 155 client_channel.WaitForChannelCreationCompletion(); | |
| 156 EXPECT_TRUE(server_channel.channel_info()); | |
| 157 EXPECT_TRUE(client_channel.channel_info()); | |
| 158 } | |
| 159 | |
| 160 EXPECT_TRUE(test::Shutdown()); | |
| 161 } | |
| 162 | |
| 163 class TestAsyncWaiter { | |
| 164 public: | |
| 165 TestAsyncWaiter() : event_(true, false), wait_result_(MOJO_RESULT_UNKNOWN) {} | |
| 166 | |
| 167 void Awake(MojoResult result) { | |
| 168 base::AutoLock l(wait_result_lock_); | |
| 169 wait_result_ = result; | |
| 170 event_.Signal(); | |
| 171 } | |
| 172 | |
| 173 bool TryWait() { return event_.TimedWait(TestTimeouts::action_timeout()); } | |
| 174 | |
| 175 MojoResult wait_result() const { | |
| 176 base::AutoLock l(wait_result_lock_); | |
| 177 return wait_result_; | |
| 178 } | |
| 179 | |
| 180 private: | |
| 181 base::WaitableEvent event_; | |
| 182 | |
| 183 mutable base::Lock wait_result_lock_; | |
| 184 MojoResult wait_result_; | |
| 185 | |
| 186 DISALLOW_COPY_AND_ASSIGN(TestAsyncWaiter); | |
| 187 }; | |
| 188 | |
| 189 void WriteHello(MessagePipeHandle pipe) { | |
| 190 static const char kHello[] = "hello"; | |
| 191 CHECK_EQ(MOJO_RESULT_OK, | |
| 192 WriteMessageRaw(pipe, kHello, static_cast<uint32_t>(sizeof(kHello)), | |
| 193 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 194 } | |
| 195 | |
| 196 void CloseScopedHandle(ScopedMessagePipeHandle handle) { | |
| 197 // Do nothing and the destructor will close it. | |
| 198 } | |
| 199 | |
| 200 TEST_F(EmbedderTest, AsyncWait) { | |
| 201 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 202 | |
| 203 { | |
| 204 ScopedMessagePipeHandle client_mp; | |
| 205 ScopedMessagePipeHandle server_mp; | |
| 206 EXPECT_EQ(MOJO_RESULT_OK, | |
| 207 mojo::CreateMessagePipe(nullptr, &client_mp, &server_mp)); | |
| 208 | |
| 209 TestAsyncWaiter waiter; | |
| 210 EXPECT_EQ(MOJO_RESULT_OK, | |
| 211 AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 212 base::Bind(&TestAsyncWaiter::Awake, | |
| 213 base::Unretained(&waiter)))); | |
| 214 | |
| 215 test_io_thread()->task_runner()->PostTask( | |
| 216 FROM_HERE, base::Bind(&WriteHello, server_mp.get())); | |
| 217 EXPECT_TRUE(waiter.TryWait()); | |
| 218 EXPECT_EQ(MOJO_RESULT_OK, waiter.wait_result()); | |
| 219 | |
| 220 // If message is in the queue, it does't allow us to wait. | |
| 221 TestAsyncWaiter waiter_that_doesnt_wait; | |
| 222 EXPECT_EQ( | |
| 223 MOJO_RESULT_ALREADY_EXISTS, | |
| 224 AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 225 base::Bind(&TestAsyncWaiter::Awake, | |
| 226 base::Unretained(&waiter_that_doesnt_wait)))); | |
| 227 | |
| 228 char buffer[1000]; | |
| 229 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 230 CHECK_EQ(MOJO_RESULT_OK, | |
| 231 ReadMessageRaw(client_mp.get(), buffer, &num_bytes, nullptr, | |
| 232 nullptr, MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 233 | |
| 234 TestAsyncWaiter unsatisfiable_waiter; | |
| 235 EXPECT_EQ(MOJO_RESULT_OK, | |
| 236 AsyncWait(client_mp.get().value(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 237 base::Bind(&TestAsyncWaiter::Awake, | |
| 238 base::Unretained(&unsatisfiable_waiter)))); | |
| 239 | |
| 240 test_io_thread()->task_runner()->PostTask( | |
| 241 FROM_HERE, | |
| 242 base::Bind(&CloseScopedHandle, base::Passed(server_mp.Pass()))); | |
| 243 | |
| 244 EXPECT_TRUE(unsatisfiable_waiter.TryWait()); | |
| 245 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 246 unsatisfiable_waiter.wait_result()); | |
| 247 } | |
| 248 | |
| 249 EXPECT_TRUE(test::Shutdown()); | |
| 250 } | |
| 251 | |
| 252 TEST_F(EmbedderTest, ChannelsHandlePassing) { | |
| 253 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 254 | |
| 255 { | |
| 256 PlatformChannelPair channel_pair; | |
| 257 ScopedTestChannel server_channel(test_io_thread()->task_runner(), | |
| 258 channel_pair.PassServerHandle()); | |
| 259 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 260 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 261 ScopedTestChannel client_channel(test_io_thread()->task_runner(), | |
| 262 channel_pair.PassClientHandle()); | |
| 263 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 264 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 265 | |
| 266 MojoHandle h0, h1; | |
| 267 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &h0, &h1)); | |
| 268 | |
| 269 // Write a message to |h0| (attaching nothing). | |
| 270 const char kHello[] = "hello"; | |
| 271 EXPECT_EQ( | |
| 272 MOJO_RESULT_OK, | |
| 273 MojoWriteMessage(h0, kHello, static_cast<uint32_t>(sizeof(kHello)), | |
| 274 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 275 | |
| 276 // Write one message to |server_mp|, attaching |h1|. | |
| 277 const char kWorld[] = "world!!!"; | |
| 278 EXPECT_EQ(MOJO_RESULT_OK, | |
| 279 MojoWriteMessage(server_mp, kWorld, | |
| 280 static_cast<uint32_t>(sizeof(kWorld)), &h1, 1, | |
| 281 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 282 h1 = MOJO_HANDLE_INVALID; | |
| 283 | |
| 284 // Write another message to |h0|. | |
| 285 const char kFoo[] = "foo"; | |
| 286 EXPECT_EQ(MOJO_RESULT_OK, | |
| 287 MojoWriteMessage(h0, kFoo, static_cast<uint32_t>(sizeof(kFoo)), | |
| 288 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 289 | |
| 290 // Wait for |client_mp| to become readable. | |
| 291 MojoHandleSignalsState state; | |
| 292 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE, | |
| 293 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 294 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 295 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 296 | |
| 297 // Read a message from |client_mp|. | |
| 298 char buffer[1000] = {}; | |
| 299 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 300 MojoHandle handles[10] = {}; | |
| 301 uint32_t num_handles = arraysize(handles); | |
| 302 EXPECT_EQ(MOJO_RESULT_OK, | |
| 303 MojoReadMessage(client_mp, buffer, &num_bytes, handles, | |
| 304 &num_handles, MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 305 EXPECT_EQ(sizeof(kWorld), num_bytes); | |
| 306 EXPECT_STREQ(kWorld, buffer); | |
| 307 EXPECT_EQ(1u, num_handles); | |
| 308 EXPECT_NE(handles[0], MOJO_HANDLE_INVALID); | |
| 309 h1 = handles[0]; | |
| 310 | |
| 311 // Wait for |h1| to become readable. | |
| 312 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE, | |
| 313 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 314 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 315 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 316 | |
| 317 // Read a message from |h1|. | |
| 318 memset(buffer, 0, sizeof(buffer)); | |
| 319 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 320 memset(handles, 0, sizeof(handles)); | |
| 321 num_handles = arraysize(handles); | |
| 322 EXPECT_EQ(MOJO_RESULT_OK, | |
| 323 MojoReadMessage(h1, buffer, &num_bytes, handles, &num_handles, | |
| 324 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 325 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 326 EXPECT_STREQ(kHello, buffer); | |
| 327 EXPECT_EQ(0u, num_handles); | |
| 328 | |
| 329 // Wait for |h1| to become readable (again). | |
| 330 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h1, MOJO_HANDLE_SIGNAL_READABLE, | |
| 331 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 332 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 333 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 334 | |
| 335 // Read the second message from |h1|. | |
| 336 memset(buffer, 0, sizeof(buffer)); | |
| 337 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 338 EXPECT_EQ(MOJO_RESULT_OK, | |
| 339 MojoReadMessage(h1, buffer, &num_bytes, nullptr, nullptr, | |
| 340 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 341 EXPECT_EQ(sizeof(kFoo), num_bytes); | |
| 342 EXPECT_STREQ(kFoo, buffer); | |
| 343 | |
| 344 // Write a message to |h1|. | |
| 345 const char kBarBaz[] = "barbaz"; | |
| 346 EXPECT_EQ( | |
| 347 MOJO_RESULT_OK, | |
| 348 MojoWriteMessage(h1, kBarBaz, static_cast<uint32_t>(sizeof(kBarBaz)), | |
| 349 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 350 | |
| 351 // Wait for |h0| to become readable. | |
| 352 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(h0, MOJO_HANDLE_SIGNAL_READABLE, | |
| 353 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 354 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 355 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 356 | |
| 357 // Read a message from |h0|. | |
| 358 memset(buffer, 0, sizeof(buffer)); | |
| 359 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 360 EXPECT_EQ(MOJO_RESULT_OK, | |
| 361 MojoReadMessage(h0, buffer, &num_bytes, nullptr, nullptr, | |
| 362 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 363 EXPECT_EQ(sizeof(kBarBaz), num_bytes); | |
| 364 EXPECT_STREQ(kBarBaz, buffer); | |
| 365 | |
| 366 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 367 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 368 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0)); | |
| 369 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1)); | |
| 370 | |
| 371 server_channel.WaitForChannelCreationCompletion(); | |
| 372 client_channel.WaitForChannelCreationCompletion(); | |
| 373 EXPECT_TRUE(server_channel.channel_info()); | |
| 374 EXPECT_TRUE(client_channel.channel_info()); | |
| 375 } | |
| 376 | |
| 377 EXPECT_TRUE(test::Shutdown()); | |
| 378 } | |
| 379 | |
| 380 // The sequence of messages sent is: | |
| 381 // server_mp client_mp mp0 mp1 mp2 mp3 | |
| 382 // 1. "hello" | |
| 383 // 2. "world!" | |
| 384 // 3. "FOO" | |
| 385 // 4. "Bar"+mp1 | |
| 386 // 5. (close) | |
| 387 // 6. (close) | |
| 388 // 7. "baz" | |
| 389 // 8. (closed) | |
| 390 // 9. "quux"+mp2 | |
| 391 // 10. (close) | |
| 392 // 11. (wait/cl.) | |
| 393 // 12. (wait/cl.) | |
| 394 | |
| 395 #if defined(OS_ANDROID) | |
| 396 // Android multi-process tests are not executing the new process. This is flaky. | |
| 397 #define MAYBE_MultiprocessChannels DISABLED_MultiprocessChannels | |
| 398 #else | |
| 399 #define MAYBE_MultiprocessChannels MultiprocessChannels | |
| 400 #endif // defined(OS_ANDROID) | |
| 401 TEST_F(EmbedderTest, MAYBE_MultiprocessChannels) { | |
| 402 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 403 mojo::test::MultiprocessTestHelper multiprocess_test_helper; | |
| 404 multiprocess_test_helper.StartChild("MultiprocessChannelsClient"); | |
| 405 | |
| 406 { | |
| 407 ScopedTestChannel server_channel( | |
| 408 test_io_thread()->task_runner(), | |
| 409 multiprocess_test_helper.server_platform_handle.Pass()); | |
| 410 MojoHandle server_mp = server_channel.bootstrap_message_pipe(); | |
| 411 EXPECT_NE(server_mp, MOJO_HANDLE_INVALID); | |
| 412 server_channel.WaitForChannelCreationCompletion(); | |
| 413 EXPECT_TRUE(server_channel.channel_info()); | |
| 414 | |
| 415 // 1. Write a message to |server_mp| (attaching nothing). | |
| 416 const char kHello[] = "hello"; | |
| 417 EXPECT_EQ(MOJO_RESULT_OK, | |
| 418 MojoWriteMessage(server_mp, kHello, | |
| 419 static_cast<uint32_t>(sizeof(kHello)), nullptr, | |
| 420 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 421 | |
| 422 // TODO(vtl): If the scope were ended immediately here (maybe after closing | |
| 423 // |server_mp|), we die with a fatal error in |Channel::HandleLocalError()|. | |
| 424 | |
| 425 // 2. Read a message from |server_mp|. | |
| 426 MojoHandleSignalsState state; | |
| 427 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(server_mp, MOJO_HANDLE_SIGNAL_READABLE, | |
| 428 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 429 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 430 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 431 | |
| 432 char buffer[1000] = {}; | |
| 433 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 434 EXPECT_EQ(MOJO_RESULT_OK, | |
| 435 MojoReadMessage(server_mp, buffer, &num_bytes, nullptr, nullptr, | |
| 436 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 437 const char kWorld[] = "world!"; | |
| 438 EXPECT_EQ(sizeof(kWorld), num_bytes); | |
| 439 EXPECT_STREQ(kWorld, buffer); | |
| 440 | |
| 441 // Create a new message pipe (endpoints |mp0| and |mp1|). | |
| 442 MojoHandle mp0, mp1; | |
| 443 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp0, &mp1)); | |
| 444 | |
| 445 // 3. Write something to |mp0|. | |
| 446 const char kFoo[] = "FOO"; | |
| 447 EXPECT_EQ(MOJO_RESULT_OK, | |
| 448 MojoWriteMessage(mp0, kFoo, static_cast<uint32_t>(sizeof(kFoo)), | |
| 449 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 450 | |
| 451 // 4. Write a message to |server_mp|, attaching |mp1|. | |
| 452 const char kBar[] = "Bar"; | |
| 453 EXPECT_EQ( | |
| 454 MOJO_RESULT_OK, | |
| 455 MojoWriteMessage(server_mp, kBar, static_cast<uint32_t>(sizeof(kBar)), | |
| 456 &mp1, 1, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 457 mp1 = MOJO_HANDLE_INVALID; | |
| 458 | |
| 459 // 5. Close |server_mp|. | |
| 460 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(server_mp)); | |
| 461 | |
| 462 // 9. Read a message from |mp0|, which should have |mp2| attached. | |
| 463 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp0, MOJO_HANDLE_SIGNAL_READABLE, | |
| 464 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 465 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 466 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 467 | |
| 468 memset(buffer, 0, sizeof(buffer)); | |
| 469 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 470 MojoHandle mp2 = MOJO_HANDLE_INVALID; | |
| 471 uint32_t num_handles = 1; | |
| 472 EXPECT_EQ(MOJO_RESULT_OK, | |
| 473 MojoReadMessage(mp0, buffer, &num_bytes, &mp2, &num_handles, | |
| 474 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 475 const char kQuux[] = "quux"; | |
| 476 EXPECT_EQ(sizeof(kQuux), num_bytes); | |
| 477 EXPECT_STREQ(kQuux, buffer); | |
| 478 EXPECT_EQ(1u, num_handles); | |
| 479 EXPECT_NE(mp2, MOJO_HANDLE_INVALID); | |
| 480 | |
| 481 // 7. Read a message from |mp2|. | |
| 482 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE, | |
| 483 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 484 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 485 state.satisfied_signals); | |
| 486 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_PEER_CLOSED, | |
| 487 state.satisfiable_signals); | |
| 488 | |
| 489 memset(buffer, 0, sizeof(buffer)); | |
| 490 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 491 EXPECT_EQ(MOJO_RESULT_OK, | |
| 492 MojoReadMessage(mp2, buffer, &num_bytes, nullptr, nullptr, | |
| 493 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 494 const char kBaz[] = "baz"; | |
| 495 EXPECT_EQ(sizeof(kBaz), num_bytes); | |
| 496 EXPECT_STREQ(kBaz, buffer); | |
| 497 | |
| 498 // 10. Close |mp0|. | |
| 499 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp0)); | |
| 500 | |
| 501 // 12. Wait on |mp2| (which should eventually fail) and then close it. | |
| 502 // TODO(vtl): crbug.com/351768 | |
| 503 #if 0 | |
| 504 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 505 MojoWait(mp2, MOJO_HANDLE_SIGNAL_READABLE, | |
| 506 MOJO_DEADLINE_INDEFINITE, | |
| 507 &state)); | |
| 508 EXPECT_EQ(MOJO_HANDLE_SIGNAL_NONE, state.satisfied_signals); | |
| 509 EXPECT_EQ(MOJO_HANDLE_SIGNAL_NONE, state.satisfiable_signals); | |
| 510 #endif | |
| 511 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp2)); | |
| 512 } | |
| 513 | |
| 514 EXPECT_TRUE(multiprocess_test_helper.WaitForChildTestShutdown()); | |
| 515 EXPECT_TRUE(test::Shutdown()); | |
| 516 } | |
| 517 | |
| 518 MOJO_MULTIPROCESS_TEST_CHILD_TEST(MultiprocessChannelsClient) { | |
| 519 ScopedPlatformHandle client_platform_handle = | |
| 520 mojo::test::MultiprocessTestHelper::client_platform_handle.Pass(); | |
| 521 EXPECT_TRUE(client_platform_handle.is_valid()); | |
| 522 | |
| 523 base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart); | |
| 524 mojo::embedder::test::InitWithSimplePlatformSupport(); | |
| 525 | |
| 526 { | |
| 527 ScopedTestChannel client_channel(test_io_thread.task_runner(), | |
| 528 client_platform_handle.Pass()); | |
| 529 MojoHandle client_mp = client_channel.bootstrap_message_pipe(); | |
| 530 EXPECT_NE(client_mp, MOJO_HANDLE_INVALID); | |
| 531 client_channel.WaitForChannelCreationCompletion(); | |
| 532 CHECK(client_channel.channel_info() != nullptr); | |
| 533 | |
| 534 // 1. Read the first message from |client_mp|. | |
| 535 MojoHandleSignalsState state; | |
| 536 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE, | |
| 537 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 538 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 539 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 540 | |
| 541 char buffer[1000] = {}; | |
| 542 uint32_t num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 543 EXPECT_EQ(MOJO_RESULT_OK, | |
| 544 MojoReadMessage(client_mp, buffer, &num_bytes, nullptr, nullptr, | |
| 545 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 546 const char kHello[] = "hello"; | |
| 547 EXPECT_EQ(sizeof(kHello), num_bytes); | |
| 548 EXPECT_STREQ(kHello, buffer); | |
| 549 | |
| 550 // 2. Write a message to |client_mp| (attaching nothing). | |
| 551 const char kWorld[] = "world!"; | |
| 552 EXPECT_EQ(MOJO_RESULT_OK, | |
| 553 MojoWriteMessage(client_mp, kWorld, | |
| 554 static_cast<uint32_t>(sizeof(kWorld)), nullptr, | |
| 555 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 556 | |
| 557 // 4. Read a message from |client_mp|, which should have |mp1| attached. | |
| 558 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(client_mp, MOJO_HANDLE_SIGNAL_READABLE, | |
| 559 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 560 // The other end of the handle may or may not be closed at this point, so we | |
| 561 // can't test MOJO_HANDLE_SIGNAL_WRITABLE or MOJO_HANDLE_SIGNAL_PEER_CLOSED. | |
| 562 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, | |
| 563 state.satisfied_signals & MOJO_HANDLE_SIGNAL_READABLE); | |
| 564 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, | |
| 565 state.satisfiable_signals & MOJO_HANDLE_SIGNAL_READABLE); | |
| 566 // TODO(vtl): If the scope were to end here (and |client_mp| closed), we'd | |
| 567 // die (again due to |Channel::HandleLocalError()|). | |
| 568 memset(buffer, 0, sizeof(buffer)); | |
| 569 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 570 MojoHandle mp1 = MOJO_HANDLE_INVALID; | |
| 571 uint32_t num_handles = 1; | |
| 572 EXPECT_EQ(MOJO_RESULT_OK, | |
| 573 MojoReadMessage(client_mp, buffer, &num_bytes, &mp1, &num_handles, | |
| 574 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 575 const char kBar[] = "Bar"; | |
| 576 EXPECT_EQ(sizeof(kBar), num_bytes); | |
| 577 EXPECT_STREQ(kBar, buffer); | |
| 578 EXPECT_EQ(1u, num_handles); | |
| 579 EXPECT_NE(mp1, MOJO_HANDLE_INVALID); | |
| 580 // TODO(vtl): If the scope were to end here (and the two handles closed), | |
| 581 // we'd die due to |Channel::RunRemoteMessagePipeEndpoint()| not handling | |
| 582 // write errors (assuming the parent had closed the pipe). | |
| 583 | |
| 584 // 6. Close |client_mp|. | |
| 585 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(client_mp)); | |
| 586 | |
| 587 // Create a new message pipe (endpoints |mp2| and |mp3|). | |
| 588 MojoHandle mp2, mp3; | |
| 589 EXPECT_EQ(MOJO_RESULT_OK, MojoCreateMessagePipe(nullptr, &mp2, &mp3)); | |
| 590 | |
| 591 // 7. Write a message to |mp3|. | |
| 592 const char kBaz[] = "baz"; | |
| 593 EXPECT_EQ(MOJO_RESULT_OK, | |
| 594 MojoWriteMessage(mp3, kBaz, static_cast<uint32_t>(sizeof(kBaz)), | |
| 595 nullptr, 0, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 596 | |
| 597 // 8. Close |mp3|. | |
| 598 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp3)); | |
| 599 | |
| 600 // 9. Write a message to |mp1|, attaching |mp2|. | |
| 601 const char kQuux[] = "quux"; | |
| 602 EXPECT_EQ(MOJO_RESULT_OK, | |
| 603 MojoWriteMessage(mp1, kQuux, static_cast<uint32_t>(sizeof(kQuux)), | |
| 604 &mp2, 1, MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 605 mp2 = MOJO_HANDLE_INVALID; | |
| 606 | |
| 607 // 3. Read a message from |mp1|. | |
| 608 EXPECT_EQ(MOJO_RESULT_OK, MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE, | |
| 609 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 610 EXPECT_EQ(kSignalReadadableWritable, state.satisfied_signals); | |
| 611 EXPECT_EQ(kSignalAll, state.satisfiable_signals); | |
| 612 | |
| 613 memset(buffer, 0, sizeof(buffer)); | |
| 614 num_bytes = static_cast<uint32_t>(sizeof(buffer)); | |
| 615 EXPECT_EQ(MOJO_RESULT_OK, | |
| 616 MojoReadMessage(mp1, buffer, &num_bytes, nullptr, nullptr, | |
| 617 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 618 const char kFoo[] = "FOO"; | |
| 619 EXPECT_EQ(sizeof(kFoo), num_bytes); | |
| 620 EXPECT_STREQ(kFoo, buffer); | |
| 621 | |
| 622 // 11. Wait on |mp1| (which should eventually fail) and then close it. | |
| 623 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 624 MojoWait(mp1, MOJO_HANDLE_SIGNAL_READABLE, | |
| 625 MOJO_DEADLINE_INDEFINITE, &state)); | |
| 626 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfied_signals); | |
| 627 EXPECT_EQ(MOJO_HANDLE_SIGNAL_PEER_CLOSED, state.satisfiable_signals); | |
| 628 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(mp1)); | |
| 629 } | |
| 630 | |
| 631 EXPECT_TRUE(test::Shutdown()); | |
| 632 } | |
| 633 | |
| 634 // TODO(vtl): Test immediate write & close. | |
| 635 // TODO(vtl): Test broken-connection cases. | |
| 636 | |
| 637 } // namespace | |
| 638 } // namespace embedder | |
| 639 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 814543006:
Move //mojo/{public, edk} underneath //third_party (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master